CVE-2026-1720 Missing authorization in WowOptin: Next-Gen Popup Maker – Create Stunning Popups and Optins for Lead Generation
Authenticated subscribers can install and activate arbitrary plugins due to missing capability checks, potentially leading to site compromise.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-1720?
CVE-2026-1720 is a high-severity missing authorization vulnerability in wpxpo WowOptin: Next-Gen Popup Maker – Create Stunning Popups and Optins for Lead Generation, published on 5 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The WowOptin: Next-Gen Popup Maker – Create Stunning Popups and Optins for Lead Generation plugin for WordPress is vulnerable to unauthorized arbitrary plugin installation due to a missing capability check on the 'install_and_active_plugin' function in all versions up to, and including, 1.4.24. This makes it possible for authenticated attackers, with Subscriber-level access and above, to install and activate arbitrary plugins.
Weakness: CWE-862
Which versions are affected by CVE-2026-1720?
How do I fix CVE-2026-1720?
No fix has been published for CVE-2026-1720 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-1720 being exploited?
There is no known exploitation of CVE-2026-1720 in the wild and no public exploit code.
Sources
Also known as GHSA-w4vf-mmg2-mmvc.